109435426 has 16 divisors (see below), whose sum is σ = 181367424. Its totient is φ = 49259584.

The previous prime is 109435397. The next prime is 109435433. The reversal of 109435426 is 624534901.

It is a happy number.

It is a super-2 number, since 2×109435426² = 23952224927602952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 109435391 and 109435400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69190 + ... + 70753.

It is an arithmetic number, because the mean of its divisors is an integer number (11335464).

Almost surely, 2^109435426 is an apocalyptic number.

109435426 is a deficient number, since it is larger than the sum of its proper divisors (71931998).

109435426 is a wasteful number, since it uses less digits than its factorization.

109435426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139985.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 109435426 is about 10461.1388481369. The cubic root of 109435426 is about 478.3208486451.

The spelling of 109435426 in words is "one hundred nine million, four hundred thirty-five thousand, four hundred twenty-six".